/* =====================================================
   Carousel 3D Cards — Frontend
   ===================================================== */

.c3dc-carousel {
    --c3dc-accent: #1e5edc;
    --c3dc-card-w: 360px;
    --c3dc-card-h: 460px;
    --c3dc-gap: 30px;

    position: relative;
    width: 100%;
    max-width: 1400px;
    margin: 40px auto;
    padding: 0 60px;
    box-sizing: border-box;
}

/* Stage / perspectiva */
.c3dc-stage {
    position: relative;
    width: 100%;
    height: var(--c3dc-card-h);
    perspective: 1600px;
    overflow: hidden;
}

.c3dc-track {
    position: relative;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
}

/* Tarjeta */
.c3dc-card {
    position: absolute;
    top: 0;
    left: 50%;
    width: var(--c3dc-card-w);
    height: var(--c3dc-card-h);
    margin-left: calc(var(--c3dc-card-w) / -2);

    background: #ffffff;
    border-radius: 18px;
    box-shadow: 0 20px 60px -20px rgba(15, 23, 42, 0.35),
                0 8px 20px -10px rgba(15, 23, 42, 0.15);

    overflow: hidden;
    text-decoration: none;
    color: inherit;

    transform-origin: center center;
    transition: transform 0.7s cubic-bezier(0.22, 1, 0.36, 1),
                opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
                filter 0.7s ease;
    will-change: transform, opacity;
    backface-visibility: hidden;
}

/* Estados de posición */
.c3dc-card[data-pos="center"] {
    transform: translateX(0) translateZ(0) rotateY(0);
    opacity: 1;
    z-index: 5;
    filter: none;
}
.c3dc-card[data-pos="left-1"] {
    transform: translateX(-72%) translateZ(-180px) rotateY(28deg);
    opacity: 0.92;
    z-index: 4;
}
.c3dc-card[data-pos="right-1"] {
    transform: translateX(72%) translateZ(-180px) rotateY(-28deg);
    opacity: 0.92;
    z-index: 4;
}
.c3dc-card[data-pos="left-2"] {
    transform: translateX(-115%) translateZ(-360px) rotateY(38deg);
    opacity: 0.55;
    z-index: 3;
    filter: brightness(0.85) saturate(0.85);
}
.c3dc-card[data-pos="right-2"] {
    transform: translateX(115%) translateZ(-360px) rotateY(-38deg);
    opacity: 0.55;
    z-index: 3;
    filter: brightness(0.85) saturate(0.85);
}
.c3dc-card[data-pos="hidden"] {
    transform: translateX(0) translateZ(-700px);
    opacity: 0;
    pointer-events: none;
    z-index: 1;
}

/* Hover sutil en la central */
.c3dc-card[data-pos="center"]:hover {
    transform: translateX(0) translateZ(20px) rotateY(0);
}

/* Click en laterales = saltar a esa */
.c3dc-card[data-pos="left-1"],
.c3dc-card[data-pos="right-1"],
.c3dc-card[data-pos="left-2"],
.c3dc-card[data-pos="right-2"] {
    cursor: pointer;
}

/* Media (imagen) */
.c3dc-card-media {
    position: relative;
    width: 100%;
    height: 62%;
    overflow: hidden;
    background: linear-gradient(135deg, #e2e8f0, #cbd5e1);
}
.c3dc-card-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.c3dc-card-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #e2e8f0 0%, #cbd5e1 100%);
}

/* Badge de categoría */
.c3dc-card-badge {
    position: absolute;
    bottom: -16px;
    left: 20px;
    background: var(--c3dc-accent);
    color: #fff;
    padding: 8px 18px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.02em;
    box-shadow: 0 6px 16px -4px rgba(0, 0, 0, 0.25);
    z-index: 2;
}

/* Cuerpo (texto) */
.c3dc-card-body {
    padding: 28px 22px 22px;
    height: 38%;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.c3dc-card-title {
    margin: 0;
    font-size: 18px;
    font-weight: 700;
    line-height: 1.32;
    color: #0f172a;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.c3dc-card-desc {
    margin: 0;
    font-size: 14px;
    line-height: 1.5;
    color: #64748b;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Flechas */
.c3dc-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 0;
    background: var(--c3dc-accent);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    box-shadow: 0 8px 20px -6px rgba(30, 94, 220, 0.5);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.c3dc-nav:hover {
    transform: translateY(-50%) scale(1.08);
    box-shadow: 0 10px 24px -6px rgba(30, 94, 220, 0.6);
}
.c3dc-nav:active { transform: translateY(-50%) scale(0.96); }
.c3dc-prev { left: 10px; }
.c3dc-next { right: 10px; }

/* Dots */
.c3dc-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 28px;
}
.c3dc-dot {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    border: 0;
    background: #cbd5e1;
    cursor: pointer;
    padding: 0;
    transition: all 0.3s ease;
}
.c3dc-dot.is-active {
    background: var(--c3dc-accent);
    width: 26px;
    border-radius: 999px;
}

/* Responsive */
@media (max-width: 900px) {
    .c3dc-carousel {
        --c3dc-card-w: 280px;
        --c3dc-card-h: 380px;
        padding: 0 50px;
    }
    .c3dc-card[data-pos="left-1"]  { transform: translateX(-60%) translateZ(-160px) rotateY(26deg); }
    .c3dc-card[data-pos="right-1"] { transform: translateX(60%) translateZ(-160px) rotateY(-26deg); }
    .c3dc-card[data-pos="left-2"],
    .c3dc-card[data-pos="right-2"] { opacity: 0; pointer-events: none; }
    .c3dc-card-title { font-size: 16px; }
    .c3dc-card-desc  { font-size: 13px; -webkit-line-clamp: 2; }
}
@media (max-width: 560px) {
    .c3dc-carousel {
        --c3dc-card-w: 240px;
        --c3dc-card-h: 340px;
        padding: 0 20px;
    }
    .c3dc-card[data-pos="left-1"]  { transform: translateX(-50%) translateZ(-140px) rotateY(22deg); opacity: 0.5; }
    .c3dc-card[data-pos="right-1"] { transform: translateX(50%) translateZ(-140px) rotateY(-22deg); opacity: 0.5; }
    .c3dc-nav { width: 40px; height: 40px; }
    .c3dc-prev { left: -4px; }
    .c3dc-next { right: -4px; }
}

/* Pausa el autoplay si el user prefiere reducir movimiento */
@media (prefers-reduced-motion: reduce) {
    .c3dc-card { transition-duration: 0.2s; }
}